Finding the Fourth Proportional to 865,178.94, 1,296,924.87 and 345,699.36
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Solution
The fourth proportional to 865,178.94, 1,296,924.87 and 345,699.36 is: 518,211.99
Step by Step Solution
- Step 1: Write the proportion equation
865,178.94 : 1,296,924.87 = 345,699.36 : x - Step 2: Convert to fraction form
865,178.94/1,296,924.87 = 345,699.36/x - Step 3: Cross multiply
865,178.94x = 1,296,924.87 × 345,699.36 - Step 4: Simplify right side
865,178.94x = 448,346,103,686.92 - Step 5: Solve for x
x = 448,346,103,686.92/865,178.94 - Step 6: Final answer
x = 518,211.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.